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Entropic Dynamics

Physics Department, University at Albany-SUNY, Albany, NY 12222, USA
Academic Editor: Carlo Cafaro
Entropy 2015, 17(9), 6110-6128;
Received: 7 June 2015 / Revised: 22 August 2015 / Accepted: 25 August 2015 / Published: 1 September 2015
(This article belongs to the Special Issue Dynamical Equations and Causal Structures from Observations)
Entropic Dynamics is a framework in which dynamical laws are derived as an application of entropic methods of inference. No underlying action principle is postulated. Instead, the dynamics is driven by entropy subject to the constraints appropriate to the problem at hand. In this paper we review three examples of entropic dynamics. First we tackle the simpler case of a standard diffusion process which allows us to address the central issue of the nature of time. Then we show that imposing the additional constraint that the dynamics be non-dissipative leads to Hamiltonian dynamics. Finally, considerations from information geometry naturally lead to the type of Hamiltonian that describes quantum theory. View Full-Text
Keywords: maximum entropy; quantum theory; entropic dynamics maximum entropy; quantum theory; entropic dynamics
MDPI and ACS Style

Caticha, A. Entropic Dynamics. Entropy 2015, 17, 6110-6128.

AMA Style

Caticha A. Entropic Dynamics. Entropy. 2015; 17(9):6110-6128.

Chicago/Turabian Style

Caticha, Ariel. 2015. "Entropic Dynamics" Entropy 17, no. 9: 6110-6128.

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